NSK 7911C
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7911C
Boundary Dimensions
d
55
mm
Bore diameter
D
80
mm
Outside diameter
B
13
mm
Width
r(min.)
1
mm
Chamfer Dimension
r1(min.)
0.6
mm
Chamfer Dimension
Basic Load Ratings
Cr
24.1
kN
Basic Dynamic Load Rating
C0r
17.7
kN
Basic Static Load Rating
Speeds
Grease
17100
min-1
Limiting Speed
Oil (Oil-air)
26000
min-1
Limiting Speed
Dimensions
C: 15°
Contact Angle
a
15.5
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
61
mm
Diameter of Shaft Abutment
Da(max.)
74
mm
Diameter of Housing Abutment
Db(max.)
75
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
rb(max.)
0.5
mm
Radius of Shaft or Housing Fillet
